this post was submitted on 26 Jun 2023
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Programmer Humor

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[–] jeena@jemmy.jeena.net 19 points 1 year ago (2 children)

At university the by far coolest and most fun course was compiler construction. We had to write something which would compile a small subset of Java (Javalette) into the Java Virtual Machine instruction set.

I wrote my compiler in Haskell because it seemed that it'd be much less hassle compared to do it in a object oriented or procedual language.

It ain't pretty but it's honest work: https://github.com/jeena/CC/blob/master/Compiler.hs

[–] cashews_win@lemmy.world 4 points 1 year ago (1 children)

I wrote my compiler in Haskell because it seemed that it’d be much less hassle compared to do it in a object oriented or procedual language.

That is not a feeling I'd associate with Haskell!!

[–] jeena@jemmy.jeena.net 6 points 1 year ago

But it definitely was, oh and when you compared the results, I don't remember the exact number anymore but compared to especially the solutions in Java and C++ the haskell ones used around 1/10 of the lines of code to solve this particular problem. Because in the end this problem really has a recursive nature.

[–] CanadaPlus@lemmy.sdf.org 3 points 1 year ago

I have an idea for a Rust-like language with total functional methods bouncing around in my head. Lord knows when I'll get around to building it.

[–] pewpew@feddit.it 12 points 1 year ago (1 children)

The programmer who made the OS

[–] nychtelios@rlyeh.icu 18 points 1 year ago (2 children)

Actually compilers are more complex than operative systems, and incredibly they are built using compilers.

[–] cdnalsi@lemmy.world 4 points 1 year ago (2 children)

Compilers are built using compilers?

[–] phorq@lemmy.ml 11 points 1 year ago (1 children)

Yup, C is written in C. You bootstrap using a compiler written in another language until your language is complete enough to write its own compiler.

[–] Martineski@lemmy.fmhy.ml 3 points 1 year ago

Alright, that's kinda crazy lol.

[–] nychtelios@rlyeh.icu 2 points 1 year ago

gcc and clang are open source, you can read their source code whenever you want!

[–] pewpew@feddit.it 3 points 1 year ago

I belive you. I made a basic OS in around a month and now i'm starting a C compiler, I think I underestimated it a bit

[–] joyjoy@lemmy.world 6 points 1 year ago (1 children)

When you write a compiler, you eventually have to write it twice. Once in a pre-existing language, then again in the language it compiles.

Just say no to bootstrapping.

[–] Lemminary@lemmy.ml 1 points 1 year ago* (last edited 1 year ago)

Just say no to bootstrapping

*Boostrap 5 sad noises*

[–] Iamfallen@midwest.social 1 points 1 year ago

print("Hello World!")

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